20.9 sec in total
1.4 sec
19.2 sec
271 ms
Click here to check amazing Sgst content for China. Otherwise, check out these important facts you probably never knew about sgst.cn
上海研发公共服务平台有效整合上海及长三角地区的科技资源,通过开放仪器设备与研究基地,共享科学数据和科技文献,提供专业技术、公益培训、专家咨询等服务,促进科技资源在全社会范围内的高校配置和共享利用,为全面提升上海科技国际竞争力提供有力的支撑。
Visit sgst.cnWe analyzed Sgst.cn page load time and found that the first response time was 1.4 sec and then it took 19.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
sgst.cn performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value12.2 s
0/100
25%
Value15.1 s
1/100
10%
Value10,640 ms
0/100
30%
Value0.058
98/100
15%
Value18.7 s
3/100
10%
1403 ms
603 ms
1050 ms
434 ms
453 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 91% of them (53 requests) were addressed to the original Sgst.cn, 3% (2 requests) were made to Member.sgst.cn and 2% (1 request) were made to Ucx.sgst.cn. The less responsive or slowest element that took the longest time to load (16.1 sec) relates to the external source Member.sgst.cn.
Page size can be reduced by 220.6 kB (23%)
949.1 kB
728.5 kB
In fact, the total size of Sgst.cn main page is 949.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 735.9 kB which makes up the majority of the site volume.
Potential reduce by 35.3 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 5.5 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 35.3 kB or 78% of the original size.
Potential reduce by 64.3 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Sgst images are well optimized though.
Potential reduce by 90.1 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 90.1 kB or 69% of the original size.
Potential reduce by 31.0 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Sgst.cn needs all CSS files to be minified and compressed as it can save up to 31.0 kB or 81% of the original size.
Number of requests can be reduced by 14 (25%)
56
42
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sgst. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
sgst.cn
1403 ms
index_20150624.css
603 ms
jquery-1.7.1.min.js
1050 ms
index_20150928.js
434 ms
ad.js
453 ms
jQuery.blockUI.js
692 ms
jquery.SuperSlide.js
854 ms
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2845 ms
sina.png
211 ms
index_logo.jpg
208 ms
sound.png
410 ms
wx_20150624.png
415 ms
wx.png
632 ms
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882 ms
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1061 ms
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1144 ms
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841 ms
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1086 ms
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1246 ms
left2_img1.jpg
1578 ms
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1527 ms
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1511 ms
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1574 ms
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1620 ms
left2_img2.jpg
1989 ms
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1995 ms
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2003 ms
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2123 ms
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2140 ms
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2209 ms
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2471 ms
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2437 ms
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2686 ms
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2982 ms
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2507 ms
kjq_sy.png
2644 ms
bg_btnPre_index.png
2813 ms
bg_btnNext_index.png
2849 ms
bg_num2.png
2900 ms
bg_num_on2.png
3051 ms
t_bg.jpg
3050 ms
span_bg.png
3260 ms
bg_num.png
3282 ms
logCheck.jsp
16058 ms
starInfoForSGSTIndex.do
938 ms
elibraryInfoForSGSTIndex.jspx
1875 ms
bg_num_on.png
3200 ms
jpx_link1.png
3205 ms
jpx_link7.png
3105 ms
jpx_link2.png
3142 ms
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3137 ms
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2995 ms
jpx_link3.png
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jpx_link6.png
2787 ms
scrolltop.png
2854 ms
talk.png
2863 ms
logCheck.jsp
633 ms
sgst.cn accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a valid value for its [lang] attribute.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
sgst.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sgst.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sgst.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sgst.cn main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
sgst.cn
Open Graph description is not detected on the main page of Sgst. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: